115445227 has 4 divisors (see below), whose sum is σ = 115686720. Its totient is φ = 115203736.

The previous prime is 115445203. The next prime is 115445233. The reversal of 115445227 is 722544511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722544511 = 13 ⋅55580347.

It is a cyclic number.

It is not a de Polignac number, because 115445227 - 2¹¹ = 115443179 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115445237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120028 + ... + 120985.

It is an arithmetic number, because the mean of its divisors is an integer number (28921680).

Almost surely, 2^115445227 is an apocalyptic number.

115445227 is a deficient number, since it is larger than the sum of its proper divisors (241493).

115445227 is an equidigital number, since it uses as much as digits as its factorization.

115445227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241492.

The product of its digits is 11200, while the sum is 31.

The square root of 115445227 is about 10744.5440573344. The cubic root of 115445227 is about 486.9211742436.

Adding to 115445227 its reverse (722544511), we get a palindrome (837989738).

The spelling of 115445227 in words is "one hundred fifteen million, four hundred forty-five thousand, two hundred twenty-seven".